Straighten metal coat hanger with small hook on end, then poke it or hook it.
Mechanical claw.
Perhaps poor eyesight, but locating in the nooks and crannies on top of tranny, in the black hole under all the plumbing, is usually the hardest part.
Giving up after 1/2 an hour and having a neighbor find it and get it out in a minute is always embarassing.