The heka scepter was the crook of Osiris and the nekhekh his flail. Both became insignia of the king. They seem to be extremely rare amulets1
Copper alloy heka
H 4.4, W 2.2 Undated
© 2012 Musée du Louvre/Antiquités égyptiennes #E 16070
Wooden heka
H 2.7, W 0.8, T 0.3
Late Period
Museo Egizio #1338
Gold sheet nekhekh
H 2.4, W 2.1 Late Period
Museo Egizio #6703
References
1None, Unpublished amulets