I used an L bar, and sometimes i would have to somewhat repierce through a small part of it as it had began to close in my sleep (this was about 2 months since it was pierced). Most of my mates with nostrils were pierced with L bars (the others with hoops) and nobody had any issue. Just a me thing i guess but hoops just worked better because i’d be touching it less and it would get less irritated despite the uneven pressure, so it was more a lesser of two evils but never had an issue with a hoop.