The wagglely thing in the middle is dual porpoise.......
If your hero pirate wanna go up......he pull back. Fields get smaller.
If he wanna go darn........ he pull back a bit more. Fields get bigger!
And sometimes spin arournd a bit. Hence the fan on front as you'll notice he's started sweating loike a piggy.
Don't forget to wave madly at anyone you see after landing and laters in the bar repeat after me.
"There I was, nuffink on the clock 'cept the makers name........."
Priceless
Sir George Cayley