▁on ▁average ▁$ 2 0 0 ▁worth ▁of ▁un pa id ▁mer ch and ise . ▁ ▁Method s ▁ ▁Con ce aling ▁Sh op l if ters ▁may ▁conce al ▁items ▁in ▁their ▁po ckets , ▁under ▁their ▁clothes , ▁in ▁b ags , ▁or ▁in ▁a ▁personal ▁item ▁they ▁are ▁carrying ▁( for ▁example , ▁a ▁box ) ▁or ▁pushing ▁( for ▁example , ▁a ▁st roller ) ▁or , ▁if ▁at ▁a ▁sho pping ▁center / m all , ▁a ▁bag ▁from ▁another ▁store ▁in ▁that ▁center . ▁The ▁use ▁of ▁back pack s ▁and ▁other ▁b ags ▁to ▁shop l ift ▁has ▁led ▁some ▁stores ▁to ▁not ▁allow ▁people ▁with ▁back pack s ▁in ▁the ▁store , ▁often ▁by ▁asking ▁the ▁person ▁to ▁leave ▁their ▁back pack ▁at ▁a ▁store ▁counter . ▁With ▁clothes , ▁shop l if ters ▁may ▁put ▁on ▁the ▁store ▁cl othing ▁under ne ath ▁their ▁own ▁clothes ▁and ▁leave ▁the ▁store . ▁ ▁Walk out / push out ▁Some ▁sh opp ers ▁fill ▁a ▁sho pping ▁cart ▁with ▁un con ce aled ▁mer ch and ise , ▁and ▁walk ▁out ▁of ▁the ▁store ▁without ▁pay ing . ▁Security ▁workers ▁call ▁that ▁method ▁" walk out " ▁or ▁" push out ". ▁With ▁cl othing , ▁some ▁shop l if ters ▁may ▁simply ▁put ▁on ▁a ▁coat ▁or ▁jack et ▁from ▁the ▁store ▁and ▁walk ▁out ▁we aring ▁the ▁item . ▁This ▁t actic ▁is ▁used ▁because ▁busy ▁employees ▁may ▁simply ▁not ▁notice ▁a ▁person