Drop the bottom E string down to d-flat, play as is, repeat as neccessary.

e---------------------------------
b---------------------------------
g---------------------------------
d------------2-3------------------
a--------2-4-----2-4-----2-4--2-4-
db---0-0-------------0-0------3-5-


Walk down 

e-------------------------
b-------------------------
g-------------------------
d-------------------------
a---2-1-------------------
db------5/7-5-0-3~~-------