33 [m4m] #20815 - Inexperienced and looking for training to give better head

Hi, I’m curious about giving head but very inexperienced. I’m a pretty anxious guy and I don’t want to go on an app and embarrass myself not knowing how to actually please them in person. I was hoping someone could point me in the right direction to get some experience/practice? I was thinking maybe a glory hole? I want to learn I’m just not really sure how