For most of the song, you play this little riff, based
around C7 and F#7
[ Tab from: https://www.guitartabs.cc/tabs/r/rancid/crane_fist_tab.html ]
E------8----x---8--------------------------------|
B------8----x---8----7-----7-7-7-7-7-7-----------|
G------9----x---9----9-----9-9-9-9-9-9-----------|
D-----------x--------8-----8-8-8-8-8-8-----------|
A--10-------x--------9-----9-9-9-9-9-9-----------|
E---8--------------------------------------------|
Then, behind the solo, you play open C, then open E
(x32101 then 022100)
Solo: play 2X's
E--0----------------------------|
B-----0--1------0--1s3--1s3--0--|
G-------------------------------|
D-------------------------------|
A-------------------------------|
E-------------------------------|