Rat glue traps are non-poisonous sticky glue spread over card boards and place them where rats make their route frequently. When rat passes over trap it gets stuck over glue trap. The rat will subsequently die from dehydration. Bait may also be placed on the cardboard to attract them.
Cut card board in size of 30X30 cms. Cover the trap with colour papers on all the sides leaving one side. Fix brown sheet on card board. Spread glue on card board sheet.