The photo is seen often in the IAC magazine- it was a Paraphernalia chute. I
have had four of these in various iterations, and the master rigger that
repacks them for me says they have the best design, in his opinion. Dan
Tarasevich, of Paraphernalia, is at Oshkosh, and is a great guy, and
supports his product.

Bailing out can be a challenge under any circumstances, even when everything
goes right. However, getting a door open in a 152 and out of the plane,
without snagging on something could be a real challenge. If the plane is
within weight and balance limits, any spin should be recoverable (upright or
inverted), with the proper inputs and enough altitude.