adding slats to metal bed frame

Queen Velvet Bed Frame with 4 Drawers, Upholstered Platform Bed with Adjustable Headboard for Bedroom, No Box Spring Needed, Easy Assembly

King Size Velvet Upholstered Platform Bed Frame with Button Tufted Wingback Headboard & Nailhead Trim, Brown - ModernLuxe

Twin/Full/Queen/King Size Platform Bed Frame with Upholstered Headboard, Teddy Velvet - ModernLuxe

Twin/Full Size Platform Bed Frame with Twin Size Trundle / 2 Drawers, White/Light Oak-ModernLuxe

ModernLuxe California King Upholstered Platform Bed Frame with 4" Thick Curved Headboard & Solid Wood Legs, White

Twin Size Upholstered Platform Bed Frame with Guardrails and Charging Station - ModernLuxe

Queen/King Size Upholstered Platform Bed Frame with High Headboard, Modern Minimalist Bed, Beige - ModernLuxe

Queen/King Upholstered Canopy Bed with Soft Padded Headboard and Footboard, Noise-Free Platform Bed Frame 4-Poster Bed - ModernLuxe

Garvee Full Size Wooden Platform Bed Frame, Dark Walnut Finish, Sturdy & Noise-Free, No Box Spring Needed, Easy Assembly, 700LB Capacity

Bed Frame with Storage Headboard, Upholstered Platform Beds with Drawers, Charging Station, Noise-Free, Easy Assembly

ModernLuxe Queen Size Platform Bed Frame, Solid Bamboo Bed Frame with Headboard, Mid-Century Modern Style

Queen Size Platform Bed, Upholstered Storage Bed Frame with USB Ports and 2 Drawers/Trundle - ModernLuxe

Twin/Full Size Race Car-Shaped Platform Bed with Wheels, Wood Bed Frame - ModernLuxe

King Size Upholstered Platform Bed Frame with Curved Thick Padded Headboard, Cream White - ModernLuxe

Velvet Upholstered Storage Bed Frame with 4 Drawers – Adjustable Headboard, Modern Platform Bed with Vertical Stripe Design, No Box Spring Needed

Twin/Full Platform Bed with Storage Drawers, Solid Wood Bed Frame with Round Headboard - ModernLuxe

Garvee Corduroy Upholstered Bed Frame with USB Charging Station & Adjustable Storage Headboard, Wood Slats, No Box Spring Needed, Easy Assembly

Queen/King Size Upholstered Platform Bed Frame Low Profile Bed with Headboard - ModernLuxe

Upholstered Bed Frame,Platform Bed with Headboard, No Box Spring Needed, Heavy Duty 900 Lbs Capacity, Noise Free Easy Assembly

Costway Twin/Full/Queen Size Bed Frame with Headboard Under-Bed Space No Box Spring Needed