My dad came across one and offered it to us. All of the cats really liked it and took turns laying in it.
Then they discovered that 2 could fit in the bed. It was a squeeze, and sometimes they definitely didn't look comfortable, but neither one wanted to be the one to get out of the bed.
Eventually they all wanted to be in the bed, and would sometimes sit next to the bed and pout if they got to it too late.
Then it became a free for all. Anyone that wanted to get in would get in, and it was a contest to see who would stay in the longest while being squished.
At that point we decided it was time to call my dad and ask him to find the other bed. He did, and we brought it home and put it right next to the other bed so that they could all cuddle together. However, we didn't realize that one bed was a lot more special than the other bed.
Eventually they started to get the hang of it.
Finally, after weeks of trying every possible position, they finally figured it out, and now they're regular pros!