I haven't heard of it and couldn't find anything when I googled or on the All Blacks website.
Why don't you contact the NZ Rugby Union? They should know.
New Zealand Rugby Union
PO Box 2172
Wellington
New Zealand
Telephone: 64 4 499 4995
Facsimile: 64 4 499 4224
Email: info@nzrugby.co.nz
Edited by MrsMojo