The Gersch device is very usefull item in Ascension & Moon which will drag all zombies into this and kill them with an explosion. You have a maximum of 3 of these and you receive 50 points per zombie that got killed (or 130 when you hold the ballistic knife. Check out the image below to find out how it looks like.
Because no one mentioned it before (although there all excellent solutions), you cannot pick up the "Matryoshka Doll" (there's an image below). You can only hold one item that you can use with
. Just adding this to all existing solutions because it happened to me twice.
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