The device includes an egg shaped transparent container, an egg shaped core with an elastic coating within the container, a support at the bottom of {HEAD ~ the container} and a tube connected near {TAIL ~ the top} of the container 
The device includes an egg shaped transparent container , an egg shaped core with an elastic coating within the container , a support at the bottom of { HEAD ~ the container } and a tube connected near { TAIL ~ the top } of the container
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH