They are also readily available in odd configurations, such as straight flute, fast spiral, multiflute, and a variety of cutting face geometries.
From the en.wikipedia.org
However, the straight flute is poor at chip ejection, and can cause a burr to be formed on the exit side of the hole, more so than a spiral twist drill bit turning at high speed.
From the en.wikipedia.org
By tilting the flute and pouring the bubbly down its side, the beverage will stay fizzier than one poured straight down the middle.
From the npr.org
Raquel is too weak to walk, but the straight-A student who loves to read and is looking forward to playing her flute in the marching band had a wide smile on her face.