Trapper's Build - Trapper's Speed Skil

[VindicatorOmega]

Hey I have a trapper build that goes like this:

flame trap | dust trap | barbed trap | arcane echo | echo | energizing wind | frozen soil | quickening zypher

what I wanna know is HOW I an get the Trapper's Speed skill, and what modifications to my current build should I make?

Thanks!