A [[shield]] strapped to someone's arm.

h5. Related tags

* Not to be confused with [[holding_shield]]—that is, for people visibly holding a shield.
** Examples: post #3357198, post #2514912, post #2969836
* When it's unclear if the shield is held or strapped, don't use either [[arm shield]] nor [[holding shield]]. Simply using [[shield]] suffices for all situations.
** Examples: post #3238619, post #3307083, post #3323477