Hello and thank you for reading. Assume I know nothing about batteries, electricity, heating elements, etc. I would like to learn how to safely heat up my cycling shoes in cold weather. I do not want to buy the heated insoles and other products available on the market. My cycling shoes are a little too tight for thick socks and insoles, plus those things are expensive and teach me nothing. I found this video on YouTube (link below). I like the general idea but many of the viewers commented that his methods are unsafe. Can someone recommend a book or place where I can learn the basic steps – in a few hours – of what I need to know, buy and do? Thank you!
Extreme Conditions Heating! Easy Heated Clothes DIY / Kreosan - YouTube