Features:
1. Simulate leg amputation patients, right leg cut off below the knee, left leg cut off in the middle of thigh
2. Convenient and reasonable model design, bandages can bypass the buttocks and wrap to the ridge level of the iliac
3. Circular bandage, spiral bandage, serpiginous bandage,figure of eight bandage
4. Demonstrate the fixing method of the two broken end after wrapping the bandage
