I used amplified muffs when hunting varmints or culling and have plugs on me when hunting big game. I might not use the plugs for my own shot but if Im spotting for someone else I will slip them in.

Hunt hard, kill clean, waste nothing and offer no apologies.

"In rifle work, group size is of some interest...but it is well to remember that a rifleman does not shoot groups, he shoots shots." Jeff Cooper