Never used :

"Impulse TENS D5" -$35

https://www.healthproductsforyou.com/p-biomedical-impulse-tens-d5-electrotherapy-device.html

Conductive Fabric glove, size medium for use with TENS - $20

https://www.healthproductsforyou.com/p-biomedical-bioknit-conductive-fabric-glove.html