I am goona try a blood prsure watch. I did a bit of reseach and they are supposed to work, I am thinking about one for $12.50 from Amazon. Here's a link!

https://www.amazon.com/Watches-Fashion-Waterproof-Android-Pressure/dp/B0BWJ9TXS6/ref=asc_df_B0BWJ9TXS6/?tag=hyprod-20&linkCode=df0&hvadid=658788989670&hvpos=&hvnetw=g&hvrand=404433332044300222&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9012356&hvtargid=pla-2130671021677&psc=1&gclid=CjwKCAjwsKqoBhBPEiwALrrqiLPe7HJlX6oZcT-V5ik8mXL4ZVNwJkqLSSDbEuEz2fUkXKQvPhPl_hoCdH0QAvD_BwE