About a year ago we bought our C36 #1711 from San Fransisco Bay area and had her trucked to Hybelos yard in Tacoma. I learned from others about these two guys that worked in the PNW area for Catalina doing their warranty work eventually went out on their own in Tacoma and started Something Special Yacht Services. They are primarily riggers but can tackle just about any type of work. I hired then to re-commission the rig. One of the things they suggested as an upgrade was a Mack Pack for the mainsail. In their opinion the Mack Pack is the best of these type of mainsail management systems. The Dutchman system worked great but as we are looking to simplify our efforts I did my own research and decided they had sized me up pretty good. They knew we were cruisers and would not be racing this boat even though the previous owners had the vessel fully rigged for racing with all the running rigging, hardware and several sail choices. In researching the Catalina36 owners’ site I learned about Chic Lasser who is some type of dealer in the Great Lakes area (I think). He offers a discount for the Mack Pack to members of the C36 owners’ site. So I got his contact info from the owners association and contacted him. Sure enough he could save me close to a boat buck so I ordered through him. I received the Mack Pack about a month later and immediately started the DIY project. While I was waiting for the gear to arrive I repeatedly watched the YouTube video on how to install the Mack Pack: https://www.youtube.com/watch?v=W3RT3iajT-E&t=443s I made a list of the various drill sizes and taps I would need to complete the project and had all that ready to go when I received the Mack Pack. I installed the stainless steel aft boom bracket and the sail cover on the boom and mast first. This was a four-hour project working alone. Then I hired a dock neighbor to help install the cheek blocks that for our standard rig is about 4’ above the spreaders or 25’ above the boom. I then installed the lazy jacks and associated hardware taking about 2 hours. The pros of a Mack Pack is no more removing the sailcover, just unzip and raise the main, then drop and zip the cover on returning. Also all of the sail and cover are above the boom, there is no more dragging or chafing on the dodger, in fact there is several inches clearance now above the dodger when the sail is stowed. There are compromises with any project but this one we are happy with. If I was still in my racing days this would have never been considered. One suggestion in case you decide to go this route, definitely order the optional stainlless steel aft boom bracket. Without the bracket you have to tie off to the topping lift and do not think the topping lift is stiff enough to hold the weight of the Mack Pack and sail. ( not sure why the image loaded sideways?)