The find was modest in scale, barely larger than a coffee table in exposed area, yet the detail embedded in one particular piece of brushwood sets it apart. Among the eighteen to twenty thin branches laid out in a rough north-south alignment, one had been shaped to a chisel point, most likely using a metal tool. That single worked end transforms what might otherwise seem like a random scattering of timber into something deliberate and made.

The structure is recorded as a peatland platform, a type of feature found across Irish bogland where people laid down wood, brush, or other organic material to create a stable surface over soft or waterlogged ground. Such platforms could serve any number of practical purposes, from providing a firm footing for working or crossing wet terrain to supporting a structure of some kind. The Derrindiff example came to light close to a drain on the field surface, and the brushwood pieces measured between roughly two and a half and five and a half centimetres in diameter, suggesting relatively slender, manageable material rather than heavy structural timber. The presence of a metal-tooled cut implies the platform dates from a period when iron or steel tools were available, though the record stops short of pinning down a more precise date. The find was documented by Jane Whitaker of Archaeological Development Services and published by Dunne in 1999.