1. Guttersnipe sight
2. the "Quell" shooting system (both by Paris Theodor)
3. Point shooting to the exclusion of using the sights (i.e. at all ranges)
4. Hip Shooting
5. Fanning
6. Shoulder Holsters (well, about 80% bad)
7. Qualifying with light (wadcutter) ammo
8. Thinking since you shoot IDPA you know tactics
9. Thinking since you shoot IPSC you are ready to defend yourself
10. NOT joining the NRA (But, I might get on some list! Forget it, if they ban guns, they will not use lists, they will just go house to house!)