Two men who kidnapped their victim and tortured him for two days have been jailed.
Mark Douglas, 34, and Peter Welsh, 48, blow torched John Alcroft's face with a lit deodorant spray because he owed them money.
The pair also electrocuted him, threw chemicals over him and poured soap powder into a stab wound.
On Friday at the High Court in Edinburgh, Lord Bannaytyne jailed Douglas for seven and half years and ordered that he be supervised by the authorities for a period of four and a half years.
Welsh was jailed for four years and he will also be supervised by the authorities for a period of two years following his release from prison.
Passing sentence, Lord Bannatyne said the imposition of a lengthy custodial term was the only appropriate way to deal with the pair.
He added: "This was a vicious sustained and significant attack which must have been terrifying for your victim."
Douglas and Welsh, both prisoners of HMP Kilmarnock, pleaded guilty to the March 2012 abduction and serious assault charges at a hearing at the High Court in Glasgow last month.
Sentence had been deferred to the High Court in Edinburgh in order for the court to obtain reports about the pair's characters.
At the earlier hearing, prosecution lawyer Jane Farquharson told how Mr Alcroft and Douglas had once been on "friendly terms".
However, last summer, Douglas assaulted Mr Alcroft which led to him dropping from a second-storey window in Ardrossan, Ayrshire, fracturing three ribs and breaking his heel.
Douglas was also said to be "owed a debt" and he further suspected Mr Alcroft of stealing from him.
On March 9, 2012, Mr Alcroft met Douglas and Welsh, who offered to give him a lift into Glasgow to buy his mother a birthday present.
The court heard that during the journey Douglas said they had to go back to his flat in School Place, Ardrossan.
The men arrived at the property Douglas's attitude to Mr Alcroft "suddenly changed". Mr Alcroft decided to leave, but Douglas told him he was not getting out.
He and Welsh followed the victim into the kitchen before grabbing him and rifling through his wallet. They discovered a total of £480 and then launched an assault on Mr Alcroft, repeatedly punching and kicking him.
In the early hours of the next morning, Douglas slashed Mr Alcroft on the leg before tightening the victim's belt around the cut which caused him to pass out.
Ms Farquharson said Mr Alcroft was awoken by Douglas and she added: "He thought the attack had ended and he would be able to leave."
But, the ordeal continued into that day with Mr Alcroft being repeatedly whipped with a bike chain and tied to a chair with a knife held at his throat.
When Douglas returned, he hit Mr Alcroft across the face with a bottle, breaking his nose.
He next poured soap powder into an open wound before repeatedly lighting a deodorant spray burning his victim's face.
Douglas also gave Mr Alcroft electric shocks from a battery attached to crocodile clips. Mr Alcroft finally managed to escape while his two attackers were asleep. He went to nearby cafe where stunned witnesses dialled 999.
The court was told the victim had "horrific injuries" including burns, stab wounds and facial fractures.
Lord Bannatyne said a custodial disposal was the only appropriate disposal.
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