Selässäni
Selässäni is a Finnish phrase that literally means "on my back" or "in my back." It is formed from the noun selkä (back) with the locative suffix -ssä, indicating position, plus the first-person possessive suffix -ni, indicating ownership by the speaker. The combination yields a compact way to refer to something located on the speaker’s back.
In use, selässäni describes a physical location or situation concerning the back. It can refer to clothing
In addition to literal use, the phrase can carry metaphorical meanings, signaling a burden or responsibility