Im starting jujitsu , is there anything I should know like what to wear and what to not wear?

Hi there ! Im just starting a new self defense and i thought maybe there's anything specific i should know like what to wear and what to avoid wearing like earrings or shoes and all that because jujitsu seems like a very fun sport : )

Im starting jujitsu , is there anything I should know like what to wear and what to not wear?
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