Berbatov beat the offside trap to find himself clear but, unable to dig the ball out from under his feet, the chance was lost as he was crowded out.

BBC: SPORT | Football | Premiership | Tottenham 4-1 Bolton

And if a trap isn't built just right, the pigs will find a way out, either by climbing over each other or squeezing under the fencing.

NPR: $1M Pilot Project Aims To Take Out Feral Pigs