すれすれだったら
擦れ擦れだったら
suresuredattara

Noun
Da Copula
na-Adjective
no-Adjective

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

1. If/when rubbed/worn/chafed; If it were rubbed/worn/chafed

Tara Conditional
Usually Written in Kana