alien device ???... what is this thing MOST COMMONLY used for ,

alien device ???... what is this thing MOST COMMONLY used for ,

I'D LIKE TO KNOW WHAT THIS THING IS MOST COMMONLY USED FOR, SINCE THE NEW GENERATION HAS NEVER SEEN ONE OF THESE... AND THESE ARE STILL PRETTY COMMON....

I'D LIKE TO KNOW..

WHAT ARE THESE THINGS MOST COMMONLY USED FOR, AND WHERE.....
PLEASE TELL ME.... I'D LIKE TO KNOW....

OH AND, """HOW DO YOU USE IT"""....

HUDSONVALLEYGUY@GMAIL.COM

used