Lol I don’t have booze recommendations but I didn’t come empty handed
Cursive Handwriting Workbook for Kids: 3-in-1 Writing Practice Book to Master Letters, Words & Sentences https://www.amazon.com/dp/1790852579/ref=cm_sw_r_cp_api_i_42llFbQVVRX2C
If I'm just making a quick note for myself, it's really scruffy, but both cursive and block are very neat if I'm writing something for somebody else to read. When I was young, my parents got me to write and rewrite stuff over and over following examples in books like THIS.
I think the primary reason people don't have good handwriting now is because we are all so used to typing stuff out on computers and mobile devices, so without using the skill it's unlikely to improve.
Writing Practice Book to Master Letters, Words & Sentences https://www.amazon.com/dp/1790852579/ref=cm_sw_r_cp_api_i_T5xoCbPTP0GM0