 She has noted that the site provides a 'huge hunting ground' for inspiration, and that currently she draws more from imagery she finds online than on objects in the physical world for starting points for her own making.She has also collaborated with performance art/music group Chicks on Speed, initially when she met the participants while studying in Germany, but also in shows in New Zealand, contributing pieces from unused costumes, or works specifically created for performances.A recent work by Walker made of pieces of pounamu was included as an illustration in New Zealand historian Barbara Brookes' "A History of New Zealand Women" as an example of how contemporary New Zealand jewellery reflects a sense of place.