If you are interested in doing the Till Hammer, you first of all need to navigate to YouTube. You may find dozens of fans doing the Till Hammer in their own pattern, but it is better to see the original.
Look for the YouTube video of Lindemann, doing the Till Hammer live on stage. Watching him live will surely give a great idea about the moves as well as expressions. If you already know a few moves, watching this video will show how much improvement you need to do it correctly.
Having taken a good idea about the dance style, you are ready to go. Remember, the place where you want to do it should not be congested. Find an open large place, where you can easily move around.
The first thing to do is performing a few simple exercises. If you are a beginner, it is imperative that you do it alone, so that no one can see you fail. Nobody can learn it quickly, because there are a few difficult tricks involved.
Now, it is the time to pivot your head from side to side. There is no need to be an extremist in the beginning. The best way is to start slowly and subsequently increase the speed. Pump up the speed gradually until you hair is all messed up.
After finishing with the head movement, focus on smacking a fist against your thigh. You need to take care of a few things at this stage. Make sure you smack it in the vertical up-down motions. Working on the same formula, you should increase the speed after taking a slow start.
The final step is to combine the first two moves. Pivoting your head from side to side and smacking a fist against you thigh at the same time is the key. Keep practising until you feel confident.