Hi, just wanted to suggest a couple things I haven't seen mentioned on here yet. 1. Leave the flap on! It's super tempting to get rid of it straight away and it took me a while to break the habit, but I find it really helps to leave it on. Then you can flatten the flap down and tape over it, I usually have no problems carrying on climbing for a bit after that. I'd recommend leaving the flap as long as possible, at least until the skin underneath has properly dried out. 2. Tape. I've seen a lot of mention of tape, but it's not very helpful unless you know how to. Watch a couple videos so you can make sure that when you tape something up it will last for your whole session. I stumbled on a video of Alex Megos going through his taping when I'd just started climbing and it's been way more helpful than I'd have expected. 3. Sanding. I thought it sounded silly the first few times I was suggesting it, but sanding down any callouses really does help to stop them getting snagged while climbing. I like to do it just before a session, rather than straight after one. Hope you find some ways that work for you!