Bench training tool
 

Very similar to the slingshot:

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Mike helped me out at the SPF Nationals last year. Great guy, lots of knowledge. He has benched 900 in a single ply shirt a few years back.

Nice, I'm an idiot so I will ask...I can see how the ram differs from the slingshot, but how does this one differ from those? The concept looks like a hybrid of the two

Silverback Barbell

Just seems like a two sets of knee wraps put together to me. I would think it mirrors the slingshot. Just my guess though.

Looks like a Slingshot with the seems pushed to the center and wider arm holes. I imagine with how popular these are becoming we'll start to see more and more variations.