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 Molly Mac Pack                                                                                                                    We took the pack out of the backpack.
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Tips:

Cinch Straps
  • One of the first things we learned about the Molly Mac Pack is that cinch straps must use a single point of attachment to the MOLLE panel. It is tempting to run the cinch strap through two or more loops of webbing, but that will introduce unnecessary stresses, which tend to pull the pack together. Each cinch strap should be attached to a single webbing loop, so that when you cinch it down tight, the only stress is that which compresses the stuff sack. 
  • Build your load by making a stack of stuff sacks, with the heavier ones at the bottom. By keeping adjacent cinch straps close to one another, attached on every other webbing loop, the stuff sacks will hold each other firmly in place. 
  • To attach a cinch strap to one point on the PALS array, just make a small loop in the cinch strap, about six inches below the female half of the buckle. Push the loop through the webbing just enough to insert the male half of the buckle through the loop. Pull the rest of the cinch strap through the loop and tighten it up. If you shorten up the end with the female buckle, you won't run out of strap before you get it cinched up tight. 
  • Three or four small cinch straps are all you need to attach a water bladder to your load. Just lash the water bladder to the cinch straps that are already holding your load. The vertical strap on the water carrier can be cinched tight over the top of the load to keep the topmost stuff sack from rolling forward and hitting the hiker in the head.
Adjusting Shoulder Straps and Waist Belt
  • You can adjust or reposition shoulder straps without using any tools. Two inch webbing tails  are sewn to the shoulder straps and waist belt. Insert the 2" tails through four or five webbing loops, then double back until the tail is buried. That will hold them fast. Since the PALS array is bar tacked every 1 7/8", the 2" webbing tails are a tight fit. The bitter ends of the 2" tails are folded and sewn, so that they will be reluctant to wiggle out inadvertently. 
  • I've often been asked, "Why do you have the PALS array webbing on the part that goes against your back? Wouldn't it save weight to eliminate the unused webbing?" The webbing on the back allows you to adjust the shoulder straps and waist belt to fit different sized people. Making the pack is less work only if you can eliminate entire rows of webbing. The shoulder straps use the rows at the top, and the waist belt uses the rows at the bottom.
Also, the stitches are shared by matching rows of webbing on the front and the back, making for a very strong construction. There's a bigger reason, though.

Once you have a PALS array on one side, you cannot stitch anything to the other side. Conversely, once you stitch straps and a belt onto one side, it is very difficult to stitch a webbing array on the other side. Hence, the original design decision to use a double sided PALS panel, and attach the shoulder straps and belt using the webbing array. 

Curvature of the Molly Mac Pack when loaded
  • Cinching down a load of stuff sacks on the Molly Mac Pack has the effect of pulling the base fabric in the direction of the load. This causes a slight curvature of the pack, which fortuitously favors the shape of your back. It is a feature, not a flaw. It will usually allow air flow between your back and the pack, which is nice.
Day Tripping, Summer vs. Winter
  • To configure your Molly Mac Pack for a day hike, simply remove some of the cinch straps, and consider using a couple of military surplus MOLLE pouches. You will also notice that your winter load requires seven or eight stuff sacks, while your summer load can fit in four or five. Just keep the heavier sacks low, cinch everything down tight, and remove the cinch straps you don't need.
Protection from Rain
  • Any large size pack cover will fit the Molly Mac Pack. However, if you use wtareproof stuff sacks, or waterproof bags inside the stuff sacks, you won't need a pack cover. At least one of your stuff sacks should have a roll top, waterproof seal. That's where you put your matches and dryer lint.
Protection from Rodents and Bears
  • No pack carries a bear cannister or bear bag better than a Molly Mac Pack! Also, after making camp, you can hoist the entire Molly Mac Pack into a tree. It's waterproof! 
Carrying Cordage, Tools with Handles, and other long, small diameter cylinders
  • The best place to stow cordage it in between stuff sacks. Normally, each pair of cinch straps will be attached with one unused webbing loop between them. That's the place to put a small cinch strap, to stow rope or coils of twine between stuff sacks, right up against the Molly panel. This also works well for hatchets, saws and map tubes. Anything long and narrow can be secured between stuff sacks. Some things can be slipped into thoses spaces without using a cinch strap.
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