303 Aerospace. Available at most RV places, or a ton of places online. Treats and keeps them from sticking. Some also use a dry silicone spray, which can be found almost anywhere.
John and Rebecca Dickson
Emma-7 / Little John-5 / Iva-1
Full Timing Again, Rev B
2013 Ford F-350 Lariat CC LB PSD
2015 SOB TT - With OC's Awning Poles (#8)
At least in Heaven, RVs will be perfect, and I won't have to keep fixing them.