The shell bone script of character Sharp is
The foot above is upward.
The bottom of the character Sharp is an ear of wheat （Post 317).
A barefoot steps on the awn of wheat, which is as painful as barefoot steps on needle points. Chinese proverb says "针尖对麦芒“ - needle point toward to awn of wheat, evenly matched. The awn of wheat is as sharp as needle point.
The small seal script of character Sharp is
The top and right long vertical line is the foot, and bottom is the ear of the wheat.
The song typeface of the character is
The top is Foot, the bottom is awn of wheat.
The pinyin of 夆 is Feng2.