NSA's "ReadyBrake" auxiliary brake system only requires clipping a cable on an eyelet to be ready to go. I do recommend their "ReadyStop" breakaway system as well though, so that would make it two clips to connect, doubling the time from one second to two...
๐About $610 plus installation:
ReadyBrake
Dutch
2001 GBM Landau 34' Class A
F53 chassis, Triton V10, TST TPMS
Bigfoot Automatic Leveling System
2011 Toyota RAV4 4WD/Remco pump
ReadyBrute Elite tow bar/Blue Ox baseplate