
There are these thread floss holders I used to get off Etsy, they look like the single use floss picks and are great for if your fingers are too sensitive for how you’re normally supposed to hold them, you have long nails, you don’t know how to hold thread floss normally like you, and probably a bunch of other reasons! I can find the name of the listing if you’re interested
If you’d like to know how to hold thread floss normally though, basically you pull out a bunch, I usually do ~18 inches, pinch the ends with your index finger, middle finger, and thumb, then wrap the ends over your finger tips until they get close enough to where you have the dexterity to hold them and maneuver them between your teeth. Depending on how much space you need, you can fully wrap the floss around both your index and middle fingers or you can slot it between one or both. Aside from-
(Also deadass I’m an illustrator, if you’re still confused just based on a written description I can try and make a diagram, maybe even make it a gif or something to throw some simple animation in there. Haven’t had the chance to really test out my diagram illustration chops before so I’m also pretty curious for my own sake lol)