Actually we can't say this innovation as crazy because these are very unusual innovation but very helpful. To create this type of stuff is crazy. Some of this innovations are very useless.
Two handed bottle
Belt measure: Measure your hip
Breast Coffin: For bid Breast
Double Umbrella: Avoid the rain and love...
This diamond mine,the world's largest hole, located near the town Mirna in Eastern Siberia, has a diameter of 1.25 km and it's almost 525 meters deep....