OK more on the pink bosal. Firstly it is an indian bosal (see this link to bitless bridles) which is quite different to the western style bosal in action. The western bosal has no moving parts whereas the indian bosal has a crossover action with the two ropes that pass under the jaw.
The action of the indian bosal is like a sidepull, you use either rein for direction (in theory putting slight pressure on the oposite side of the nose) and when you use both reins you get a pressure under the jaw.
I'm finding it good for Moo as I can aid the 'up' by lifting my hands and bringing the jaw up. Again, as with all the bitless work, it brings home how much we are tempted to use our hands to 'attack' a problem that should be addressed elsewhere. I of course only speak for myself.
If the temperature lifts I'll video but riding in my ski pants doesn't look so hot!
On a big plus note I only gained 1kg over christmas (gawd knows how) but I'm back on the wagon and eating for one again!