Battle ropes can be made from various materials—the most common being Nylon, polypropylene, and polyester (Dacron, Terylene, ...) And their appropriate cleaning is therefore dependent on the specific rope.
Generally speaking, however, ropes can be washed in cold or warm water with a mild detergent. They may be soaked, but should not be soaked for extended ...
I have almost the same problem of the flat foot (not severe problem but bad enough). As I am in physiotherapy and performance training business I ‘ve asked many people (experts in their field) what I should do. From sports physios and orthopaedic doctors to CrossFit trainers to professional weightlifters.
After trying different approaches, this is what I ...
The problem with the flat feet is that they usually create problems to the knees making them fall inside and this could cause damage to the anterior cruciate ligament.
I support working out barefoot, but in your case i think shoes are needed and much better with corrective insoles.
Just add a little more exercises for your feet at the end.