Originally Posted by Wilson2000

Not sure about the cover's purpose. It is likely to there to shield the rubber from heat or contamination. Regarding the spring clamps, the stock Toyota clamps are superior to the worm-gear clamps as they provide even pressure 360 degrees around the hose. Once you get used to using them, they are fairly easy to master. Having a good number of various types of pliers on hand is essential when working with these clamps. The oil pressure inside these hoses is likely reduced-down to prevent issues with the rubber hose and connections.