Invest in this and never lose another nug.
https://www.amazon.com/AmazonBasics-Book-Safe-Lock-Black/dp/B078HGD5SN/ref=mp_s_a_1_4?dchild=1&keywords=dictionary%2Block%2Bbox&qid=1607157113&sprefix=dictionary%2Block&sr=8-4&th=1&psc=1
You could try something like this.
AmazonBasics Book Safe, Key Lock, Black https://www.amazon.ca/dp/B078HGD5SN/ref=cm_sw_r_cp_api_glt_i_G8MVSVASKMQ3GFTJV8DC?_encoding=UTF8&psc=1