Complex sentence: Technically known as an over-the-shoulder single leg Boston crab and commonly known as a Stretch Muffler, the wrestler stands over a face-down opponent lying on the ground and lifts one leg of the opponent and drapes it over his neck.
Split into simpler sentences: Technically known as an Over the shoulder single leg Boston crab and commonly known as a Stretch Muffler. He lifts one leg of the opponent and drapes it over his neck.