Placing Block on top of the Block I'm Standing On

I can place a block on top of the block Im standing on and so that it's on my head as well.

HOW TO REPLICATE

-stand on any block. e.g. stone, sand ect

-now look straight down at the block ur standing on

-use the USE button to place a block, and it will place right in u

-use the USE button again to place another block, and you might suffocate in survival if you don't use a transparent block. e.g. glass, sea lantern ect.