A
later Q&A makes it clear that the Standard Bumper material test is for "tough, smooth cloth".
Quote:
|
If embroidering the cloth still leaves it tough and smooth, then embroidery would be acceptable.
|
Based on this and another identically worded answer about paint, I'm certain that "if decals, vinyl, or anything else still leaves it tough and smooth, then decals, vinyl, or anything else would be acceptable."