double treble tree st (dtr-tree)

YO three times, insert hook into next st, yo and draw up a loop (5 loops on hook).  YO and draw through 2 loops 4 times (double treble made);

YO hook twice, insert hook into side of double treble stitch in between 1st and 2nd wrap; YO and draw through 2 loops 3 times (tr made);

ch 2, YO, insert hook  through the tr you’ve just made in between 1st and 2nd wrap, YO and pull through loop (3 loops on hook), YO and pull through 3 loops (1 loop on hook);

YO hook twice, insert hook into side of double treble stitch AGAIN in between 1st and 2nd wrap; YO and draw through 2 loops 3 times.