Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Split Lip Rayfield is a vocal and acoustic instrumental group from Wichita, Kansas. Though they are sometimes classified as a bluegrass, alt-country or cowpunk band, their music draws on a wide array of influences. Split Lip Rayfield is a band from Wichita, Kansas featuring Kirk Rundstrom (guitar), Eric Mardis (banjo), Wayne Gottstine (mandolin), and Jeff Eaton (bass). Early on, the group's gimmick was Eaton's homemade one-string bass, named Stitchgiver, built from the gastank of a 1978 Mercury Grand Marquis and a piece of hickory and strung with one piece of Weedwhacker line.