@@ -37,7 +37,7 @@ Yes, a comfortable neoprene wristband comes with every card10. If you want somet
We recommend reinforcing the velcro hook side attachment by adding a seam along the sides of the velcro hook side piece.
## Why should I consider keeping the protective foil on the display?
The display has a polarizing filter on. With the protective foil stuck on top, this filter is disabled. With some sunglasses this has the unfortionate effect that the card10 is difficult to read on your wrist.
The display has a polarizing filter. With some sunglasses this has the unfortionate effect that the card10 is difficult to read on your wrist. If you keep the protective foil stuck on top, the filter is effectively disabled.
## What can I do if the filesystem of my badge is read-only?