A keyhole cover that closely matches one found on the original rim lock on the room's door becomes a tree ornament with the aid of colorful ribbon. Additional ornaments on the tree include other styles of door-keyhole covers, skeleton keys, and furniture-keyhole covers matchinh ones on a secretary in the room.
Brass keyhole covers, various styles starting at about $2.90; brass skeleton keys, various styles starting at about $1.60; House of Antique Hardware
. Ribbon, about $1 a yard; M&J Trimming
Vintage-look miniature glass ornaments, about $11 for six; Shaker Workshops