Questions from beginners

I started to train epilaton, and I would like to ask, why doesn´t work my trermolize in down lower back and hips. back it´s ok, no problem, but those areals are very hard for me, i tryed everything, have good size of needle, suave to insert the neadle, enough deep, enogh long, turn around, when it still dosnt work, even deeper,try to destroy all follikle, change intensity ,needle size everything.

I´m so dissapointed :confused: