I think I have a Flambeau. It's a big one. They work great but it takes a little learning curve to figure it out.
I have found that they only work for about 4-7 days per year to get the most out of them. Usually about Nov 3-10 for me. Their chase/seek phase.
Put it out in the open where they can see it from a long way. They almost always come in from behind. I have found that wind doesn't seem to matter and they will approach from any wind, but almost always from behind.
Once a buck sees it, shut up. Use a rattle or grunt to get them to look your way, but once it locks on, let nature and curiosity takes it's course. If it's the right time of year, the buck won't be able to let it go.
Beware that it will scare the hell out of little bucks and does. So if you're just meat hunting, don't bother. To me, the bigger the better because I want a dominant buck to come in.
I've had big bucks attack the decoy right before first light. That's fun as heck until you have to climb down to put it back together.
Keep it scent free or add buck urine or tarsal scent. I've never messed with putting anything on to mimic movement. I've heard it works, but I haven't tried it.
They are a royal pain to transport in early morning. That plastic is really noisy. If I can, I bring in the day before and leave all taken apart under stand brushed in. Then set up in the morning.
The nice thing is that when it's time to draw on a deer, they don't even pay attention to you. They are so intent on kicking the decoys butt you can get away with a lot. But also remember that sometimes your shot opportunity is brief because they are on a mission. I've noticed the bigger, the more aggressive they are and come right in and attack. Those closer in size to the decoy will be a little slower and more cautious.
They aren't always the most stable things. I have drilled eye bolts(1/4" diameter) into the hooves and then washer/nutted. I then use tent stakes with a hook on one end to go through the eyebolts to secure all 4 legs to ground. In heavy wind or uneven ground this keeps it upright. Nothing worse than the dang thing blowing over at "the" perfect hour.
Get one, play with it and have fun. I'm sure I've left stuff out or others may disagree, but this is what works for me in my area.