Both dog tags and the pins are excellent ideas! I think that the gear would be better on the pin, though, as it has a "diesely" feel, more-so than an art deco "DP." But, all of the options are wonderful!~
yep! I'll be going with a friend, and though I won't be wearing my best dieselpunk gear- I may or may not be in Lolita, if I feel like dealing with the attention. It should be fun. I look forward to buying ridiculously cute stuff.