A dictionary of Proverbs (Oxford Paperback Reference)

The COBBLER to his last and the gunner to his linstock
A fanciful variant of the preceding proverb. A linstock is a staff with a forked head to hold a lighted match.

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  1748 SMOLLETT Roderick Random II. xlii. I meddle with no body’s affairs but my own; The gunner to his linstock, and the steersman to the helm, as the saying is. 1893 H. MAXWELL Life of W. H. Smith II. v. He.. never showed any disposition to trespass on the province of science or literature. .. There is sound sense in the adage, ‘The cobbler to his last and the gunner to his linstock.’ ■work
  

cobbler see also the SHOEMAKER’S son always goes barefoot.
Every COCK will crow upon his own dunghill
Everyone is confident or at ease when on home ground. Cf. SENECA Apocolocyn-tosis vii. gallum in suo sterquilinio plurimum posse, the cock is most powerful on his own dunghill; the work is a satire on Claudius’ deification at death, and Seneca is punning on Claudius’ provincial origin and interests, as gallus means both a cock and a Gaul.

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  a 1250 Ancrene Wisse (1952) 62 Coc is kene [bold] on his owune mixerne [midden]. 1387 J. TREVISA tr. Higden’s Polychronicon (1879) VIII. 5 As Seneca seith, a cok is most myghty on his dongehille. 1546 J. HEYWOOD Dialogue of Proverbs I. xi. D2 He was at home there, he myght speake his will. Euery cocke is proude on his owne dunghill. 1771 SMOLLETT Humphry Clinker II. 178 Insolence.. akin to the arrogance of the village cock, who never crows but upon his own dunghill. 1935 D. L. SAYERS Gaudy Night xix. ‘I believe you’re showing off.’.. ‘Every cock will crow upon his own dunghill.’ 1980 M. GILBERT Death of Favourite Girl vii. Mariner seemed to be easy enough. A cock on his own dunghill. "home
  

cock see also there’s many a GOOD cock come out of a tattered bag; the ROBIN and the wren are God’s cock and hen.