Describe the appearance of a thumbtack (not a pushpin) without using mathematical measurements, illustrations, or photographs.
Feel free to use (or ignore) the following template:
# Description of a Thumbtack
This document explains *fill in*. This document does not describe *fill in*.
A thumbtack resembles *fill in*, except that *fill in*.
A thumbtack consists of the following two parts:
* name of part 1
* name of part 2
## Name of part 1
Describe part 1, possibly comparing and contrasting with something that
it resembles.
## Name of part 2
Describe part 2, possibly comparing and contrasting with something that
it resembles.