The fourth episode of "Fore Inventors Only" airs tonight on The Golf Channel, with the appearances of six "Big Break" cast members who show up to take part in field testing of the 38 inventions left in the competition.

The appearance of Big Breakers is both good and bad. Good in that some of them will be people you won't mind seeing again, might even enjoy catching up with. Bad in that having pseudo-celebs do the field testing doesn't exactly inspire confidence that the remaining inventors will get the best possible testing of their products. Let's face it: Some of the Big Breakers are nitwits. And some of those nitwits are now arrogant nitwits, owing to their pseudo-celebrity.

The six Big Breakers who will take part in field testing (at least in tonight's episode) are:

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• Mark Farnham (The Big Break I; The Big Break VII: Reunion )
  
• Valeria Ochoa (The Big Break III: Ladies Only; The Big Break VII: Reunion)
  
• Bart Lower (The Big Break II: Las Vegas ; The Big Break IV: USA vs. Europe )
  
• Charles Calhoun (The Big Break I)
  
• Steve Duemig (The Big Break I)
  
• Kim Lewellen (The Big Break V: Hawaii ; The Big Break VII: Reunion)
  

Bart and Kim, it seems safe to say, will give their full attention to the products and give their best efforts to the inventors and to the show. Mark and Charles will do a good job, and won't go out of their way to belittle an idea or an individual.

So what are the 38 inventions remaining? Read below the fold for the full list ...

The 38 inventions that have advanced into the field testing part of "Fore Inventors Only" on The Golf Channel:

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• Pro Play Golf Performance System: A small digital recording device that can be used on the golf course to record golf swings for instant feedback.  Inventor: Marcus Bohn, Chandler, Ariz., and Tim Kipley, McKinney, Texas
• Clean and Drop Club Cleaning Towel: A three-in-one golf towel that cleans and dries golf balls and clubs.  Inventors: David Cotton and Vincent Brookins, Cleveland, Ohio.  
• Strike `N Swipe: Reusable impact tape for golf clubs.  The impact tape resets when golfers run their fingers over it after hitting a golf shot.  Inventor: Victor Camaj, Highland, Mich.
• Golf Shoe Bristles: A standard golf shoe with built-in bristles located on the toe and heel areas.  Inventor: Ed Coleman, Rochester, N.Y.  
• Swing Sensor: A device that attaches to the wrist and senses when the wrists are breaking.  The device is designed for putting, chipping and a full golf swing.  Inventor: Frank Cozza, Santee, Calif.  
• The Net Return: A practice net that returns the ball to the golfer after each shot and is designed for multi-sport use.  Inventors: Paul Crawley, Fair Lawn, N.J. and Matt Crawley, Myrtle Beach, S.C.  
• Power Reactor: A patented piece of fitness equipment designed to increase power for driving distance, flexibility to reduce back stress, accuracy for shot selection and cardiovascular conditioning for course stamina.  Inventor: Marcus Curry, San Diego, Calif.  
• Perfect Putt: A putting training aid device that can be used indoors on carpet or outdoors at a golf course.  Inventor: Kyle Dahl, Sterling Heights, Mich.
• Twister Golf Ball Cleaner: A portable golf ball cleaning apparatus that clips to a golfer's bag.  Inventor: Alfonzo Dowe, Pedricktown, N.J.
• Golf Telebag: A collapsible hard-case travel bag that telescopes into itself to save space. Inventor: Greg Dietrich, Orlando, Fla.  
• Ego Personal Putting Coach: A putting learning tool that includes a universal attachment to the putter where the device extends from the putter head up to and over the shoulders.  Inventor: Mark Diley, Boyds, Md.  
• The Pillar: Specialty golf spikes that stack to different parts of the foot to keep weight on the inside of the foot.  Inventor: Paul Farmer and Holly Kronk, Columbia, Mo.  
• Timeball: A timing device that helps to enforce the rule of golf that only allows a player five minutes search time for a ball.  Inventor: Calum Dunan, Glasgow, Scotland .
• True Ympact: An adjustable, dual-hinge swing trainer that affixes to the lead arm to prevent the shaft from flipping beyond the desired impact position.  Inventors: Scott Gibbons and Parker Overton, Greenville, S.C.
• Shaft Skinz: A form of shrink wrap that fits around the shaft of a golf club to add color and graphics.  Inventor: Martin Greeves, Dromore, Northern Ireland.  
• Fairway Fan: A six-inch portable fan that attaches to a golf cart roof and is powered by the cart battery.  Inventor: Diane Gilmer, Wellington, Fla.  
• Tour Axis: A vest with two small bags that attach under the armpits.  The concept is to keep the bags tucked under each arm through the practice swing to achieve a repeatable motion.  Inventor: John Haggar, Montrose, Calif., and Matt Baird, Toluca Lake, Calif.  
• Golf Stand and Sit Bag: A walking golf bag that allows the golfer to rest frequently by quickly folding out from the bag a seat to sit down.  Inventor: Dan Hoang, Seattle, Wash.  
• One Time Training Aid: A stand-alone device that utilizes laser lights to shine dots on various points along a putt to train players to visualize an intermediate target between the ball and the cup.  Inventor: Randy James, Little Rock, Ark.  
• Club Caddie: A clip that attaches to a golf club around the green allowing it to become free-standing in an upright position.  Inventor: David Jones, Martinez, Ga.  
• Golf Kart Kaddy: A device that tethers a bag to a golf cart, leaning the bag out from the cart.  Inventor: Pete Juricic, Calumet City, Ill.
• Gyro Swing: A swing training aid that utilizes a gyroscope motor attached to the end of a club shaft that automatically places the club on plane.  Inventor: Larry Kelly, Brighton, Mich.  
• Bunker Buddy: A small folding sand rake that attaches to the grip of a golf club for raking sand.  Inventor: Ray Kirkpatrick, Springboro, Ohio.  
• Hill Shot Golf Trainer: A sloped hitting tee used for practicing uphill, downhill and side hill lies.  Inventor: Brandi and Larry Koch, Prospect, Ky.
• Convert-A-Putter: An upgrade kit that attaches to an existing putter, such as a blade or cavity-back style putter, and brings it up to modern industry standards. Inventor: Aristo Kouldus, Salinas, Calif.  
• Chipinator: A 2' x 2' box with a hole in the middle to chip into with a motor at the bottom of the box that returns the ball back to the golfer.  Inventor: Matthew Louie, Los Angeles, Calif.  
• Light It Up Golf: A training mat is a driving range mat with a built-in light system that marks the divot or contact point of the club head on the grass surface, allowing the player to perfect his or her contact point. Inventor: Rick Marcy, Brewster, Mass.  
• Sink It: A putting training aid comprised of two guide rails that attach to the toe and heel of a putter. Inventor: Terry McGlaughlin, Coquitlam, British Columbia.  
• Trunk Chair: A portable chair that can be placed on the back of a truck or a car.  Inventor: Darren Newberry, Granada Hills, Calif.  
• Power Stance: A multi-faceted golf training aid consisting of a foot-retaining head and platform, formed from high density plastic into one unit.  Inventor: Joe Pagano, Rochester, N.Y.  
• Glove Grabber: Clips to golfers' bags to allow them to hang one or more gloves from it by using the existing Velcro on the glove.  Inventor: Jim Paradise, Pinckney, Mich.  
• Side-kick Putter: A putter designed to be used with both a conventional putting stroke and a side-saddle method.  Inventor: Robert Riseley, Brooklyn, N.Y.
• Club Glider: A golf travel bag that integrates extendable legs with caster wheels, making the bag easy to push or pull.  The wheels fold back into a locked position for easy travel.  Inventor: Gary Sherrell, Maple Valley, Wash.  
• PDR Divot Tool Putter: A putter that includes a divot repair tool on the bottom of the putter.  Inventor: Craig and Derrick Stingley, Milwaukee, Wis.  
• Z-Factor Perfect Putting Machine:  A portable putter training aid that guides the user through proper path, face, angle and pendulum swing of the putter.  Inventor: Dean Thompson, Boise, Idaho.
• Glove Caddie: A clip that attaches to a golfer's belt where golfers can attach the glove to the glove caddie instead of inserting into the pocket.  Inventor: Michelle Teagarden, Sacramento, Calif.  
• Golf Cradle: An accessory for the golfer who wants to protect his/her clubs for sliding and reduces damage in the back of a car or truck.  Inventors: George and Richard Vito, Rochester, N.Y.
• Load and Explode: A swing training device that golfers strap to themselves restricting sway and trains hip pivoting.  Inventor: Andrew Von Heerden, Redondo Beach, Calif.
  

You can check each of these items a little more up close (including photos) on The Golf Channel Web site.