SamT
Moderator
just came across this..(quite neat I think).
https://www.youtube.com/watch?v=PLl59N-HIds
and
https://www.youtube.com/watch?v=dY0Du9WU_c0&feature=youtu.be
https://www.youtube.com/watch?v=PLl59N-HIds
and
https://www.youtube.com/watch?v=dY0Du9WU_c0&feature=youtu.be