Speed
Speed varies on each piece of machinery; as a guide, we recommend working between a speed of 90-120rmp. However, if you have an older client or thinner skin to prevent bruising, it is advised to use the slower settings and possibly to apply vitamin A&D ointment to aid the needles to glide over the skin. A&D can also prevent thinner, more fragile skins from tearing.
Practice skins can be used to perfect your skills; these skins are a little tougher than human skin but are there for trying out new techniques and different needle configurations, as well as practising what you may have already learnt. Practise makes perfect.