I've not seen an IBM-type plug but the 'ring pull' types (with a domed lump on the cover with a circular hole through it) were common a few decades ago, their target market being people with grip-limiting disabilities. One of my relatives had some - she used to hook them out using the handle of her walking-stick because this was easier than trying to poke the on/off switch on the socket with the aforementioned stick.
Versions are still available -
https://www.electrovision.co.uk/home...productid=8754