The contest-riddle was a known form of riddling. The furious and saddened Cheng then kills Mao, riddling him with bullets. His assassins singled out Sankara and executed him, riddling him with bullets to the back. Bullets were riddling the Argentine position, and the conscript soon succumbed to enemy fire. But the messengers returned with report of oracles, riddling, obscure, and darkly worded. Many reviewers expressed bafflement at the text, which has an enigmatic and riddling style. So riddling pervaded Greek life on many levels and during many occasions. During the riddling process, lees deposit in the neck of the bottle. Some people started riddling it with bullets to make it look like it was ambushed. Mechanised riddling equipment (a gyropalette) is used instead. Microfossils have been unearthed from holes riddling the otherwise barren surface of the dolomite. Many stores now sell riddling racks for decorative storage of finished wine. There is little evidence for Arabic riddling in the pre-Islamic period. Slimeheads are named for the network of muciferous canals riddling their heads. Another belief associated with riddling at night is the avoidance of the word nipai (snake).