jQuery('.product_foto_slide').slick({ infinite:true, arrows:false, dots:false, fade:true, slidesToShow:1, slidesToScroll:1, autoplay:false, autoplaySpeed:4600, asNavFor: '.product_preview_slide', focusOnSelect: true, responsive: [ code example

Example 1: slick slider unslick

$('.your-slider').slick('unslick');

Example 2: slick slider unslick

$('.slider-for').slick({
  slidesToShow: 1,
  slidesToScroll: 1,
  arrows: false,
  fade: true,
  asNavFor: '.slider-nav'
});
$('.slider-nav').slick({
  slidesToShow: 3,
  slidesToScroll: 1,
  asNavFor: '.slider-for',
  dots: true,
  centerMode: true,
  focusOnSelect: true
});

Example 3: jQuery('.product_foto_slide').slick({ infinite:true, arrows:false, dots:false, fade:true, slidesToShow:1, slidesToScroll:1, autoplay:false, autoplaySpeed:4600, asNavFor: '.product_preview_slide', focusOnSelect: true, responsive: [

$('.multiple-items').slick({
  infinite: true,
  slidesToShow: 3,
  slidesToScroll: 1
});