i have a neotat i do all my shading and color with....im doing a convention type deal that has a liscensed tattoo booth at it so i need assloads of disposable tubes.

i dont normally use these things and when i have with my neotat, i get alot of tube flexing i assume is the problem. i have a hard time getting the needle to ride the back of these plastic tip disposables. the needle looks like it flexes and curves upwards as it moves in and out the tube tip.

i need to make my order today and definatly cannot afford metal tip disposables(which i assume would be an easy fix). anyone have a fix for this problem?? ive tried disposables from unimax and from kingpin and both had this issue. i have none right now so experiment with but my buddy here does.....maybe a different way to bend the needle when using disposables with a neotat?