Dumbarton have signed striker Kevin Nisbet on loan from Partick Thistle for the rest of the season.
The 20-year-old has had previous loan spells at East Stirlingshire and Ayr United and has made 12 appearances for the Jags this season.
Nisbet could make his debut for Stevie Aitken's side in Saturday's Ladbrokes Championship game against Livingston at the Tony Macaroni Arena.