Part of the fashion empire’s Cassandra family, this reptile-embossed leather wallet-on-chain from Saint Laurent is much more compact in size than the shoulder bags we saw last season...all that’s needed now are those Friday night drinks. Carried by a curb chain strap that can be tucked in when needed, its iconic ‘YSL’ moniker also doubles up as a twist-lock closure, and there are ten card slots in.