Hello!
I have been lurking around on the forums for a looooooooong time so I thought it was about time to contribute with something.
I don't really know where this should belong but I put it in guides.
Anyway the thing is that you can use 2 nitro boots directly after eachother. Now when they changed so that the trinker enchant of the nitro boots is on a belt slot you can now use the level 70 nitro boots (Rocket Boots Xtreme Lite - Item - World of Warcraft) right after you use your belt nitro boots, so you will be able to run for a total of 8 seconds before your nitro boots runs out. You will however replace your current boots and therefore lose some of its stats, but it is truly worth it if you are dueling a melee as an range.