The short answer on Heart Purse: pick one anchor piece, keep the palette to two colours, and let the shoes decide how formal the whole thing reads. Proportion does more than colour: volume on top wants something narrow below, and the reverse. Repeat one element, a metal, a texture or a colour, and an outfit looks deliberate. A strap drop under 22cm will not clear a winter coat. The groups below run from the decision that matters most to the ones you make afterwards.

What decides this is capacity, closure and strap drop. Everything else is preference. Two from the first group show the range: Roller Rabbit's Amanda Makeup Bag at $38, and Few Moda's Sarina Clutch at $123. The first is the easy entry point; the second is where the money goes. Leather darkens where your hand sits, which is not damage; it is the bag settling. Unlined canvas is lighter but shows every mark; treat it before first use. A higher price mostly buys materials and finishing, and occasionally it buys nothing at all.

Match the bag to the day, not the outfit. One structured bag does more work than three soft ones. From the second group, Roller Rabbit's Monkey Beach Pouch ($78) is the one that earns its place, because it works in more than one context without being restyled. The third group is smaller and deliberately narrower, bags, for the decisions you make after the main one. None of this needs the whole group. One piece from each is usually enough.

There are 20 bags here from 12 brands, $18 to $359, all in stock when this was written. We would not buy all of them, and neither should you. Faherty's Faherty Canvas Logo Tote - Grey at $18 is the low-risk way in, and St. Agni's Soft Slim Satchel - Coffee at $359 only makes sense if this is a category you already use constantly. Read as a set, they get you close to Heart Purse without any single purchase being compulsory. Nothing here is included because it is famous, and price is not used as a proxy for quality anywhere on this page. If you take one thing away: buy the one you can picture using this week, not the one you are saving for later.