Good day I'm trying to learn more about speed line systems and how to rig them etc. but I'm just starting and looking for some direction. Anyone out there know where to buy and/or learn more about purchasing and rigging? Here's what I'm looking to do http://www.speedline-cablecam.de/ https://www.instagram.com/p/BGgYcmcR8-H/ Thanks in advance And any responses would be appreciated