Probably control and stability. Which could be user perception.heathicus wrote:I watched the video and still don't understand what benefit it has over a sacrificial push block.
The handle is situated so you can both press down and press the work piece into the fence. There is also an addition that allows the handle to be skewed even more and personally I believe adds even more control.
The grip padding "feels" stickier than the SS pad, though I have no verifiable measured proof. It also seems to retain less dust needing fewer cleanings(though that may not be factual, again perception).
The foot (black flat piece) that extends out is amazing. I've never had the Gripper tip or slide sideways on me no matter how hard I was pushing.
For me it's a safety from feeling comfortable and safer perspective.
A good friend has a laminated push block with the handle angled up at about 45 degrees and he gets great downward pressure. He added a "side curtain" which forms a 90 degree corner so he could also press against the fence with more force and has made replaceable push pieces for the back end. Frankly it is nearly as good at most things as the Gripper and at a significantly cheaper cost. It works well for him and I doubt he will spend his hard earned cash on a Gripper, but he still likes mine and in my shop will grab it instead of anything that came with the SS.
If you have a woodworking store near by, I would suggest that you take your push block and then try it on a variety of tools and compare to the Gripper. You may or may not see a significant difference.
Just my 2 cents.
Be well,
Ben