BESNIN Adjustable Bike Stem 0-120 Degree for 31.8 mm 90mm/110mm stem, Adjustable MTB Stem Mountain Bike Handlebar Stem for Bicycle, Road Bike, MTB, BMX, Cycling

It's also worth measuring your sitbones -- you can do that with a piece of tin foil. If you do end up posting pics and videos let me know! I'll be happy to take a look. Here's a short list of items to think about (not saying you should buy them; these are just representatives): An adjustable stem Swept handlebar (can be cut to size)