Flax basket (Kete) http://www.pinterest.com/uszimari/fonott-kosarak-%C3%A9s-egyebek/
Something like this but with a handle and maybe some flowers would make a great basket for the flower girl/boy. They could hold it between them :)
www.artiflax.co.nz A simple Putiputi (flax flower) tutorial...between images 9 and 10 you just keep repeating the the folding of the leaves until you have only an inch or two left in length then you tie each piece together in a knot.
Flax weaving instructions - fantail
Easy-to-follow instructions for making gorgeous flowers and arrangements 746.4 BRO in the Maori Collection
flax flower curled back