Supposed to strengthen your finger and fore arm muscles but it gives you carol tunnel syndrome or sore joints.
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You put your dick in it and squeeze it until you cum
I think it's something to build up your hand strength.
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I think its for cracking walnuts, or something like that,
I am pretty sure I saw something like that long ago in my grandpa's house.Nothing, because it's useless shit.
If you want to strengthen your grip, do pull ups and other hanging exercises.It is a price of exercise equipment used to develop grip strength.
Their used to strengthen palm muscles for a better grip when doing heavy dips, pull ups etc.
Strengthens your hand muscles.
Increases your grip strength
I don't know? Open cans?
Walnut cracker or something
Grip strengthener or nut cracker.
It's to improve grip strength in ur forearm
Looks like danger 😨
Strengthens grip
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