i'm currently doing bi's and want to do tri's but their kinda small..... is there a min, size that they should be? I want to improve the size... any info would be great!
maybe some one with experience.. and whats the smallest size needle i can get away with... would an insulin needle work???
thanks
maybe some one with experience.. and whats the smallest size needle i can get away with... would an insulin needle work???
thanks

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