As we all know, there are times when slope soaring can prove to be the most frustrating pastime known to man or beast.
Add the vagaries of UK winter weather into the mix, and it doesn't take long for even the most casual of glider guiding enthusiasts to develop hairy palms.
It's times like these that find some of us turning to substitutes
which others may consider to be not entirely wholesome...
It doesn't seem to signal the lift very well at all....
Eric is quite taken with the manner in which it beats the air into submission!
Though it appears that Simon is going take a little more convincing.