ヘルメットであれば
herumettodeareba
1. If helmet; When helmet
★ Common
Noun
#16674
1. If helmet; When helmet
1. helmet; hard hat
1. Let's…; Shall we…
1. To have someone do; To let someone do
1. Must do; Have to
1. Cannot have; Cannot do
1. If there is; If you have
1. Don't have.; Don't do.
1. Seems like there is; Appears to be