Pointed or Hooked Tool Used in Sculpture

This page is the CodyCross answer for the clue below from Futuristic City , Group 992, Puzzle 4 (Global Wifi Network).

Question is: Pointed or Hooked Tool Used in Sculpture

and the answer is: RIFFLER

Word Meaning:

RIFFLER — A mechanical device consisting of a metal box with a series of vertical slats through which material is poured and randomly divided into two samples; this process is repeated to obtain a small representative sample of a bulk material.

Definitions from Wiktionary.