I'm glad you asked!

When you first acquire a Fast Ferment, you assemble it, wash everything, put it on its stand (if you bought one with it) or you do the measuring, leveling, drilling,  and bolting of the wall mounts. Emplace Fast Ferment. Great! "Houston... we have a Fast Ferment..."

Now what...? Well, if we're making beer or wine, we need to fill it. No problem! Unscrew the lid, pour in the ingredients, add yeast, stir, and bingo! Ta daa! Brewing underway.
Now, if your Fast Ferment is in a wall mount(42" off the floor, if memory serves), you'll find that that mouth is rather high for pouring the liquid into. Doable, but a bit difficult.

Then, after the requisite fermentation, it's time to drop (please, not literally! I've done that) the collection ball to shift to secondary fermentation. Umm...
"Houston... we have a problem..."
If the Fast Ferment is in a wall mount the collection ball is easily accessible. If on the other hand, your Fast Ferment is on its floor stand, you'll need your old yoga moves to get at the collection ball, as it's only two inches off the floor. Again, doable, but...

How about if you could have the Fast Ferment low enough to add wort, mash, or whatever to the top(without straining), and high enough for easy collection ball change, racking, or bottling...?

And how about if you could raise and lower the Fast Ferment with little effort and no risk of dropping or back strain?

Enter The Flying Fast Ferment
Remember ol' Archimedes, that Greek dude who invented such nonsense as the inclined plane and the wheel? Yeah, neither do I; what do we need to remember some guy who lived 1500 years ago for? Well, we are using a couple of his deals here...
Remember those giant gantries that the Apollo rockets sat under before launch? Those gantries had to hold upright that huge Saturn V booster and all the stuff that got people to the moon and back.
Mr. Archimedes, meet the gantry. You're going to make beautiful things happen together.
How this works: the gantry (in this case, the Flying Fast Ferment) stands seven feet tall overall and is built for a working load of 150 pounds, which is plenty and to spare to hold a full seven gallons of brew and accouterments. Suspended from the top of the Flying Fast Ferment is the top block of a 7-to-1 tackle, which divides the lift effort by 7. Now, instead of having to lift 70+ pounds of beer, fermenter, etc., you only apply 8 or 9 pounds of pull to get that puppy up where you want it for collection ball change, racking (if that's your plan), or switching to bottling phase.
Oh! And the Flying Fast Ferment is free-standing and easy to move, so no drilling, leveling, and all that. I do recommend stabilizers from the top of the gantry to something solid behind it. I have a couple of Oldgeefus Slings going from the top of some industrial shelving behind the Flying Fast Ferment to the screw eye at the top of the tackle. Remember my mottos: "What, me overengineer?" and "Let the machines do the work!!" I've never had occasion to be concerned about straining the stabilizers. They've never even pulled taut. Imagine my surprise...

I wouldn't have a Fast Ferment without a Flying Fast Ferment. If I were going to buy another Fast Ferment (and I was planning to buy at least one more) I'd build Flying Fast Ferments for each one I had.

My daughter-in-law calls me 'McGyver' and maintains that I can build a supersonic jet fighter out of two paper clips and three gum wrappers... and maybe a rubber band or two...