Not sure why, but 25G is just too damn small for me these days. Part of the problem is my reach has shortened (a good thing tho) and so the angles have become more extreme meaning I really have to press the plunger hard in an awkward position sometimes resulting in a cramp.
Everyone is always talking about how a higher gauge needle makes less impact and thus less scare tissue and pain. I got to thinking tho: a small needle means high oil velocity upon exiting (bernoullius principle i think), which might be the source of much pain (kinda like water blasting pavement). Also a larger needle means less "exposure" time in the muscle, and less force required on the plunger which could solve the muscle cramp problem.
I decided today that, what the hell I will shoot with 18G. Overall it worked great, i think the best would be a compromise of my 21, 22, or maybe 23G tho, since 18G entry is rather difficult.


) and so the angles have become more extreme meaning I really have to press the plunger hard in an awkward position sometimes resulting in a cramp.
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