Jack Mount for Yakima mega warrior

[pfed16]

Hey everyone I have a yakima megawarrior and want to mount my jack to the side of it. I found these, but I'm not sure how the mounts typically work. Does anyone know if one of these will work or if there is another out there that is better? thanks.

1. Smittybilt - Smittybilt Hi-Lift Jack Mount - D8076 | 4WheelParts.com

2. Warrior - Warrior Safari Sports Rack Hi-Lift Jack Mount - 840 | 4WheelParts.com