Springy Filament Clip

Update: User @DarkestKnight reports in the comments that, when printed in Bambu ABS, these filament clips hold their shape, and their spring, when stored in a filament dryer at 70 degrees C for 6 hours! This clip: Is usable with one hand.Does not get in the way (or get knocked off) when stacking spools.Allows spools to turn in a filament dryer. *****We must keep making filament clips until someone gets it right! This clip should be printed in PETG, or in some other material that will spring back (close) to its original shape after deforming under load. PLA does not do that well. This clip follow's Whity's example, with a clip that fits entirely on the inside of the spool, and does not attach to the edges. Whity's filament clip is almost perfect. I only had a couple of problems with it. First, it loses its spring over time, and it doesn't hold tightly to the spool after a while. Second, I found it challenging to attach filament to it, and to take the filament off. This r