Drive a Road Ranger, you would have to either double clutch every shift, or just not use the clutch for all shifting (after you get it rolling).
On my 818 with 16.00's on it, I almost always run both ranges. Takes a lot of stress off the motor/tranny. And helps get that thing moving with the bigger tires.
I do it pretty often in the deuces as well.
And like WM said, pretty much anytime I pull off the road and into any place, parking lot, etc, I put it in low range. I can go slower and I have better control of the speed I WANT to go.
I only use one clutch push to go from low 5th to high 4th. Once you practice it, you can make the shift pretty darn fast.
There is one other advantage to this, you can down shift from high 4th to low 5th on low hill climbs. Couple good reasons behind this.
First, low 5th gear is a few mph faster then high 3rd (check the max speed per gear on the dash to confirm this).
Second, if you have to downshift further, you have better speed control and gearing for better torque. Which means less rpm drop between gears in low range once you have slowed down that far.
I do that all the time in the 818. With the big tires, it really helps (still doesn't make up for the big gap between 3 and 4th though....)