ditzy SG You bet its real, the soles of ur feet is quite thick, so no worries about getting pierced. Pressure is spread out evenly if you go slow and steady. Everything you do has a risk in it, its how you do it.
papertiger SG Its a camera trick. The glass in the middle are flat or turned downwards. The sharp or jagged pieces are placed at the sides to make it dangerous. The stunt is not that difficult. All the contestants got through. The eating stunts are more difficult.
