Biting, nipping, tasting they are all the same thing. They may start just by you thinking they are tasting you, then it turns into a nip, some bite, some bite so hard to break the skin. The most important thing to remember here is that you are doing something, that they want you to stop. You must take the bite. Under no circumstance pull away from it. The reason you must take it, is that if you pull away, then the glider has learned that you will stop what you are doing and the bite worked. So in actuality what you have taught it, is that if it bites you, you will stop what you are doing. So you must take the bite, but there are things that have worked for others and you will have to try the different things to find out what works best for you. Remember the Key thing here is persistence, patience, and consistency. Try each thing for about 3 days, if you find no improvement, move on to another method. What you first have to do, is make note of what you are doing, that caused it to bite you. If you can avoid those things, of course problem is solved, however there are times when you have to do something, like putting it in it's cage after playtime.
In that case, intercept it as explained in the holding section above. suggest putting a tiny bit of yogurt low fat or chicken with apples baby food, honey, or whipped cream on your finger tips or where ever it is biting at. In fact, what I suggest is, using it as a training aid at the beginning during the time when you have them in the cage, every time you put your finger near it, have something on your finger tips. It may bite you once, but then it should start licking you. "Warning" This may cause your glider to be a very licky glider. Some people blow in their face to stop it. Most gliders hate direct air being blown on them. You can take a piece of cardboard and tie a string on it in the middle to put on your fingers, every time it started to bite place the cardboard between it and your skin. It makes it very hard to bite your skin if there is something flat that it can't bite into. Some people when they bite, place the glider back into the cage, to teach it that if it bites, they get no outside play time. The one problem, I have found with this, is that if they don't want to leave their cage, they will use the biting to be able to go back in.if your glider bites you bad on your arms and hands, many times this is because of a smell the glider absolutely loathes, like.. other pets, soap, shampoo, laundry detergent, after shave, perfume, nail polish, hair spray, cologne, body oils. In most department stores they have unscented soaps and such for hunters, you may want to totally descent yourself and see if that is the cause, An improper diet also will cause this type of biting. Remember you must take the bite till you find something that works for you. Remember patience, perseverance, and consistency.