I've always taken it to be a lock or bolt of protection, i.e., the stotra is a protective amulet.

Professor Dominik Wujastyk

Singhmar Chair in Classical Indian Society and Polity

University of Alberta, Canada

South Asia at the U of A:

On Sat, 4 Jan 2020 at 20:46, Harry Spier via INDOLOGY <indology@list.indology.info> wrote:
Dear list members,

The title of a popular hymn to caṇḍikā is  argalāstotram.  But I can find no explanation of the relevence of this as a title to a hymn to the goddess caṇḍikā.  Can anyone shed any light on this.

Harry Spier 
INDOLOGY mailing list
indology-owner@list.indology.info (messages to the list's managing committee)
http://listinfo.indology.info (where you can change your list options or unsubscribe)