すれすれなら
擦れ擦れなら
suresurenara

Noun
Da Copula
na-Adjective
no-Adjective

The "-nara" conditional form ("if/when…") of すれすれ

1. If/when rubbing/being rubbed; If/when chafing/being chafed

Nara Conditional
Usually Written in Kana