I made elastics one year for mitts. Bought a package of sewing elastic and made loops - then that goes over the cuff - tight enough to hold everything in place but not tight enough to cut off circulation. We have smaller ones we use with bells on music that can go either on wrist or ankle (they love to dance with bells on). I liked the reusable part of the elastics

I refuse to take the gang outside, come in and change everyone's clothes - not my job. Parents either provide proper outside gear or we don't go.