1st half of song riff 1
G|----------------------------------|
D|----------------------------------|
A|--0--0--0---------0--0--1--0------|
E|----------------------------------|
riff 2
G|-----------------------------------|
D|-----------------------------------|
A|---0--0--0--0-------0--0--0-3333333|
E|--3--3--3--3-------3--3--3---------|
[ Tab from: https://www.guitartabs.cc/tabs/c/clutch/earthworm_btab.html ]
second half: (basically variations on the intro)riff 3
G|----------------------------------|
D|----------------------------------|
A|--0000000---------0000001110------|
E|----------------------------------|
riff 4
G|----------------------------------|
D|----------------------------------|
A|--0--00-0---------0--00-1--0------|
E|----------------------------------|
riff 5
G|----------------------------------|
D|----------------------------------|
A|--0--00-0---------0--00-1--0------|
E|------------------------------4-3-|
riff 6 - outro
G|----------------------------------|
D|----------------------------------|
A|--0--0--0---------0--1--0---------|
E|---------------------------4--3-2-|