I picked up a pair of used but wearable Scalpels for a solid price but am considering doing some modding. Looking for some tips and help. 1. Are the earsocks and/or noise pieces replaceable? If so, how do you remove them and how do you replace them? I haven't seen any for sale, anyone have extras? 2. Are the icons interchangeable with any others? Do they remove via heat up and unpeel? Any help would be appreciated. Thanks!