how to use a pineapple corer

{"cid":"91190065","title":"304SS Automatic Food Processing Machines Pineapple Peeler Pineapple Corer Machine","imgUrl":"https:\/\/img.chinax.com\/nimg\/70\/1b\/9562cd35fc1e9e60fdcf236dba83-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Huafood","Model Number":"Customized","Minimum Order Quantity":"1 Set","Delivery Time":"5-10 working days","Certification":"CE,ISO","Place of Origin":"CHINA","Payment Terms":"L\/C, T\/T, Western Union, MoneyGram","Supply Ability":"1000Set per months","Packaging Details":"International Standard Master Carton Case Packaging","Size":"405*285*675mm","Weight":"18.6kg","Name":"Pineapple Peeling Machine","Material":"304 stainless steel","PACKAGE":"Master Carton","Cut pineapple size":"8\/10mm","Processing Types":"Pineapple Peeling"}}

{"cid":"91206265","title":"Peel Free Stainless Steel Houseware Pineapple Coring Tool Slicer With Detachable Handle","imgUrl":"https:\/\/img.chinax.com\/nimg\/d0\/14\/cd1cf9f0783e954de5aa8d307ea0-200x200-1.jpg","attrs":{"Price":"Negotiation","Minimum Order Quantity":"100pcs","Delivery Time":"Within 7 days after received deposit","Place of Origin":"China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Supply Ability":"1500000pcs per month","Packaging Details":"Strong carton packing suitable for long-distance transport","Product name":"Stainless Steel Pineapple Corer","Material":"Stainless Steel","Size":"7 x 4 x 3 inches","Type":"Utensils","Usage":"Fruit & Vegetable Tools","Weight":"0.35 Pounds","Packing":"Opp Bag","Application":"Kitchen"}}