Flat Caps are available in:
- Aluminum: Multiple Colors
- Brass
Mk1 x TRT Flat Caps
Included with the TRT x MK1 Bathyspheres, these aluminum Flat Caps were engraved specially for the collaboration. The caps come in Black and Grey. One Bathysphere colorway has a unique engraving on the cap that the Archive is still working on finding a picture of.
TRT x MK1 x YYE Exclusive Dragon Caps
A special edition of Bathysphere, available only on YoYoExpert, comes with black YYE Dragon engraved flat cap side effects.
