I added a velcro cable tie. I can loop it and hang the thermacell just about anywhere... It's just a thin 1/4" wide 6 inch long strip of velcro... Picked up at Home Depot. Wonderful.. space age duct tape
I use a small bungee cord stretched across the bottom of each of my lock on stands. I slide the Thermacell under it under may seat and it stays put. I also bungee it to the foot platform of my climbers. I dropped mine while climbing the Saturday morning. The camo made it a little difficult to find in the bushes!
on the treelounge, I just lay mine on the Bow Hunting Adapter (platform) and it works, but I should probably bungee it, it can be kicked off the platform pretty easily. On my ladder stand, I just lay it on the platform under the seat. Don't know what I'll do on my treelounge when rifle season comes in....I know I'll be taking that bow hunting adapter off though.