Guys, you may not get this, but when your fingernails are too long, and you rack your slide, you end up shredding the skin on the top part of your thumb where your nails somehow raked across it.
Lesson learned. No more long nails. Problem solved. Problem staying solved.
NRA Certified Pistol Instructor, Home Firearm Safety Instructor, & RSO
On the range again, just can't wait to get on the range again. The life I love is shooting guns with my friends, and I can't wait to get on the range again!