Take a stand or have a seat: With all the fuss about standing desks, here’s a Jerker that does double duty. Stands to attention when you want to stretch your legs and bows down on your lazy days. Gizmos in hiding: Somehow gadgety stuff don’t look good sprawled in the living room. So hide them well in a Hol. Training dragons with a little bit of defence: This has remained one of the most amusing hacks for me – a bucler, hacked by the Dragon Preservation Society. Where do I sign up?