So according to that chart slin pins are best at getting every last drop out.
I been using slin pins for years to inject delts and quads. People on here laugh cause it takes a bit longer to inject. Who's laughing now fuckers! :D
I been using slin pins for years to inject delts and quads. People on here laugh cause it takes a bit longer to inject. Who's laughing now fuckers! :D

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