Firefly Knee Strap Size:Adjustable Knee Strap (Only) This is the only roller

This is the only roller that collapses so you can take it with you in your bag and on the road

which prolongs the oxygen supply to motor muscles

insect bites

then you'll love this new hydration formula from Muir

and contributes to the functional decline of mitochondria

Firefly Knee Strap Size:Adjustable Knee Strap (Only) This is the only rollerHow to wear the Firefly Knee Strap Firefly is placed directly over the fibular head (round bone below joint line of the knee). Be careful not to impinge on the crease of the knee. This knee strap promotes ample security to the device and allowing it to stay fixed in a more reliable position on the leg. Great for use on longer travel or overnight during normal sleep cycles. If you haven't heard about the Firefly device you can read about it below: Weve