The phrase "a fist which" is correct and usable in written English.
It can be used when describing something related to a fist, often in a context that requires further explanation or detail about the fist.
Example: "He raised a fist which signaled his determination to fight for justice."
Alternatives: "a fist that" or "a fist capable of".
He pumped a fist, which he did almost every out.
I'm gonna clean your clock!" He made a fist, which looked very, very large.
His left hand has contracted into a fist, which can be opened only by using his good right hand.
"Kiss With a Fist" (which she insists on her MySpace site is not about domestic violence) is her first single on uber-cool label Moshi Moshi, but it's not her best.
"Whatchoolookin' at?" was the 80s battle cry, then in a flash my hair was in a fist which was leading my head hard and fast into a metal locker.
Last week German police said the victim had "received a blow from a fist which knocked him to the floor".
The campaign, which a police notice said was targeted at "Three No" foreigners (those who break immigration, residency or work rules) is accompanied by an image of a clenched fist, which can be viewed on the Beijing police's microblog site.
Another white friend of mine on Facebook noted that when it comes to topics pertaining to civil rights and human rights, it feels weird to use a white fist, which he said he can't help but associate with white power.
Managed his child-prodigy son's career with an iron fist, which turned out to be a good thing for music but a bad thing for little Wolfie.
And if the party in question has a long history of crushing it opponents with an iron fist – which is certainly true in Ethiopia – then the donors could find themselves underwriting this system of repression, albeit indirectly.
Stardust, with his sideburns, sinister sidelong leer, microphone held horizontally in a black-gloved fist which bore several silver knuckledusters, visibly relished rising to the role on television appearances.
