Aichmophobia
Aichmophobia (pronounced [īk-mō-fō′bē-ă]) is a kind of specific phobia, the morbid fear of sharp things, such as pencils, needles, knives, a pointing finger, or even the sharp end of an umbrella and different sorts of protruding corners or sharp edges in furnitures and building constructions/materials. It is derived from the Greek aichmē (point) and phobos (fear). This fear may also be referred to as belonephobia or enetophobia.