Well, I should just leave them to fall off. But I’m always too excited to see how they calloused up and whether they took well and will be all beautiful and all that I start picking at them after I’m sure it’s safe. Usually I can take my thumbnail and score a line in them deep enough to get them started, but if I have my knife with me (I can’t carry a knife in my pocket very well or it will rub a hole in my thigh) I’ll go ahead and use that.
I tend to get carried away with how much I wrap my grafts. So I’m likely to have too much stuff on there - otherwise the smarter thing to do would be to just leave 'em the heck alone! Sunshine and time will get the job done (talking about frameworking an existing tree.)