From your description—a heavy metal base covered in sharp spikes, rusted, and dangerous—it sounds like it could be one of a few things, usually meant for protection or traction:
Possibilities
- Antique Roof or Gutter Spikes / Bird Spikes
- Sometimes old metal bases with spikes were used to deter birds or animals from landing on ledges or roofs.
- Rust and weight would match older designs.
- Spiked Manure or Hay Fork Base
- Some farm tools or old machinery had metal bases with sharp spikes for holding hay, straw, or manure in place.
- Could be part of a horse-drawn implement.
- Tire or Tractor Traction Device (Spiked Plate)
- Some old vehicles or carts had spiked plates for traction on ice or mud. Heavy metal + spikes = likely meant for weight and grip.
- Old Security Device / Anti-Climbing Spike Plate
- Spikes on a heavy metal base were sometimes mounted on fences, gates, or walls to prevent intruders from climbing.
Safety Note
- Rust + sharp spikes = serious injury risk.
- Handle with thick gloves and consider keeping it on a stable surface away from kids or pets.
- If you want to keep it as a collectible or decoration, you might clean it carefully and seal it to stop rusting.
If you can, share a photo—that would help me identify exactly what it is.
Do you want to do that?