Leather Mail Bag I Am Making A Pair Of Plastic Hotpants, Any Ideas On How To Put Together? Uhu Glue, Sticky Tape Or Thread?

I am making a pair of plastic hotpants, any ideas on how to put together? uhu glue, sticky tape or thread? - leather mail bag

I have a real e-mail in plastic bags that I wear shorts in the early hours of Friday. Since only one bag that I wondered if anyone has any suggestions, as has been sewn by hand. I have heard that invisible thread and leather needle.