The windshield wipers on Loretta's motorhome have been a hassle. It's 1995 GM chassis sported old school wipers. Back in the day you replaced the squeegee part with refills. The arms were permanent. During recent travels, however, we found that availability of refills varied between slim and none. What to do.
A couple years ago she actually found some. The length was correct. Width and depth of the grooves was close enough. Nothing a little splaying and pinching couldn't solve. Then one of them lost it's keeper while driving in rain one day. The squeegee tried escaping but we stopped in time to recapture it. A small zip tie solved that problem. And the fix was repeated on the other side a while later. Otherwise, they worked.
Until they started degrading. Last time we tried