Mary carefully grabs with her sturdy little greenish hands the most prickly branches, and bends them enough to allow at least Edwina in, then make her best to make Vandir pass too, even if it means getting stung by some thorns.
When it's her turn she looks in her little bag for the scarf and the gloves her mom made for her, wraps the sacrf around her hair, puts on the gloves, and tries to crawl behind them without getting too many scratches.