How to Master Coin Rolling Over Knuckles

I recently went to a beginner lash tech (I’m a beginner lash tech too) and this was my first time going to her… and well the day after I got them done which was on Friday my eyes were really bothering me and I found hella stickies all over my eye when I got home from work and I dm’d her about it to get them removed or even fix the stickies but she hasn’t msgd me and my eyes hurt!!!!!! Can someone help me pls ? I’ve been waiting all day for her response but she’s just been lagging and I feel like