Field Symbol 3 [ASI 1977 Concordance (Mahadevan)]Sign 391 The -āra- ān suffix signifies a performer, a person. Thus, kundār is a lathe turner, lapidary who works with the lathe, say, to pierce stone beads and create perforated beads.

Hieroglyph:

cf.L. awāṇ. middhuṇ, pp. middhā ʻ to crush ʼ(CDIAL 10294)

Rebus: med 'iron' (Mu.Ho.Santali) med 'copper'.(Slavic).

Examples of serrated, curved, twisted, crumpled single horn of the young bull in Indus Script Corpora

After Fig. 6.7 in Kenoyer, 2013 Unicorn figurines from Chanhu-daro (a, b), Mohenjo-daro (c), and Harappa (d). The figurines in the round signify that the one-horn is a ligature to a male young bull-calf, distinct from an aged bull or grown-up ox. The youth is called kor̥a,'boy' in Santali. Hence, खोंड khōṇḍa m A young bull, a bullcalf rebus: kō̃da कोँद 'potter's kiln, furnace'  (Kashmiri)

 (After Fig. 3 in: Gautama V. Vajracharya, Unicorns in Ancient India and Vedic ritual, in: EJVS, Vol. 17 (2010),Issue 2) https://crossasia-journals.ub.uni-heidelberg.de/index.php/ejvs/article/view/322

http://nbn-resolving.de/urn:nbn:de:bsz:16-ejvs-3221 (PDF) In this article, Gautama V. Vajracharya suggests that the expression parīśāsau signifies a pair of 'horns' of the unicorn (one-horned bull), which are uniquely shaped with two curves as shown on many Indus Script seals.

For a contemporary pair of tongs, made of wood, see T. N. Dharmadhikari, Yajñāyudhāni, Pune: Vaidika-Samśodhana-maṇḍalam, 1989, P. 42. 

I have suggested that the one-horned youngbull PLUS spoked wheel on neck (ligature) is an orthoggraphic style to signify an expression consisting of two words (logos):

कोंद kōnda 'young bull' PLUS āre potter's wheel (Gondi) yield the combined expression kundār 'turner, lapidary who works with the lathe'..He also works with fine gold: Ta. kuntaṉam interspace for setting gems in a jewel; fine gold (< Te.). Ka. kundaṇa setting a precious stone in fine gold; fine gold; kundana fine gold. Tu. kundaṇa pure gold. Te. kundanamu fine gold used in very thin foils in setting precious stones; setting precious stones with fine gold. (DEDR 1725). This artisan's professional competence is semantically reinforced by a part of the standard device normally shown in front of the young bull; this part is kunda 'lathe'. Rebus 2:  kō̃da कोँद।कुलालादिकन्दुः f. a kiln; a potter's kiln (Rām. 1446; H. xi, 11); a brick-kiln (Śiv. 1033); a lime-kiln. -bal -बल्।कुलालादिकन्दुस्थानम् m. the place where a kiln is erected, a brick or potter's kiln (Gr.Gr. 165). 

The standard device in front of the young bull includes a lathe as the top register. The word is: kunda 'lathe' kunda1 m. ʻ a turner's lathe ʼ lex. [Cf. *cunda -- 1] N. kũdnu ʻ to shape smoothly, smoothe, carve, hew ʼ, kũduwāʻsmoothly shapedʼ; A. kund ʻ lathe ʼ,kundiba ʻ to turn and smooth in a lathe ʼ, kundowā ʻsmoothed and rounded ʼ; B. kũd ʻ lathe ʼ, kũdā, kõdā ʻ to turn in a lathe ʼ; Or. kū˘nda ʻ latheʼ, kũdibā,kū̃d° ʻ to turn ʼ (→ Drav. Kur. kū̃d 

ʻlatheʼ); Bi.kund ʻ brassfounder's lathe ʼ; H. kunnā ʻ to shape on a lathe ʼ, 

kuniyā m. ʻ turner ʼ, kunwā m. (CDIAL 3295). kundakara m. ʻ turner ʼ W. [Cf. *cundakāra -- : kunda -- 1, kará -- 1] A. kundār, B. kũdār, °ri, Or. kundāru; H. kũderā m. ʻ one who works a lathe, one who scrapes ʼ, °rī f., kũdernā ʻ to scrape, plane, round on a lathe ʼ(CDIAL 3297). kunda'one of the nine treasures of Kubera'. The lathe part of the standard device shown often in front of the young bull is a semantic determinative, kunda'lathe' rebus: kunda'Kubera's treasure'.