ok, the main thing is confidence. If you and your helper are lacking confidence, nervous, worried about the gliders biting and or getting away etc... the gliders pick up and feed off of allllll of that and aren't going to be calm either.
If your nervous and anxious take a minute before you begin, breathe, relax, clear your mind and don't anticipate them biting. THEN start trimming, if your nerves start to rise just pause, calm down breather regroup and close the pouch up until your ready to begin again. Then start again. I have 2 that are biters and they don't bite while I trim nails because I'm confident that I can trim them. If you and the helper are calm.......the gliders will be calmer.
I'd let your helper try to do them themselves. Have them try in a tent or bathroom where its more confined if they get away or out of the pouch. Use the pouch to cover their faces and put gentle pressure on the gliders body with your left hand/wrist while you hold the foot and clip with the right. If you look at the video posted you can see I cover her face and body and gently hold her down while I'm trimming.
**Trim nails when they are the most sleepy I usually do mine no earlier than noon no later than 5
**have treats, clippers, glasses, corn starch ...whatever needed with in arms reach easy to pick up.
you don't have to trim them all at the same sitting. Do one paw at a time then take a break. Even if you only get one or two nails trimmed at a time that is progress and confidence will grow!! not just the person trimming the nails confidence, but the gliders confidence IN that person will grow too.