YSK: A very small and cheap way to (help) prevent theft of small personal items like radios, bicycles, etc. is to label them with just your name and a burner email or phone number if you're comfortable.
from /r/YouShouldKnow
YSK：（幫助）防止收音機、自行車等小型個人物品被盜的一個非常小而便宜的方法是，如果你覺得舒服的話，只給它們貼上你的名字和一個燒錄的電子郵件或電話號碼。