Have the finger tip pointing toward the ground and gently squeeze the. It has a sharper angled tip to produce a narrower and deeper point. Me: slides the tip of the modified prick skin test method in. Avina Prep Stick Pool Cue Tip Tool Billiard Prick Scuff Tapper Multifunctional Cue Repair Tool Silver, Shaper/Scuffer/Aerator. The tip of the ear, it seems to cause more discomfort.