Nest
<template>
<!-- Make a div wrapped slider,set height and width -->
<div style="width:100%;margin:20px auto;height:400px">
   <!-- Using the slider component -->
   <slider ref="slider" :options="options">
       <!-- slideritem wrapped package with the components you need -->
       <slideritem v-for="(item,index) in someList" :key="item.html" :style="item.style">{{item.html}}</slideritem>
       <slideritem>
         <slider ref="slider" :options="options1">
           <slideritem v-for="(item,index) in someList1" :key="item.html" :style="item.style">{{item.html}}</slideritem>
         </slider>
       </slideritem>
       <slideritem v-for="(item,index) in someList" :key="item.html + 3" :style="item.style">{{item.html}}</slideritem>
       <!-- Customizable loading -->
       <div slot="loading">loading...</div>
   </slider>
</div>
</template>
<script>
// import slider components
import { slider, slideritem } from 'vue-concise-slider'
export default {
el: '#app',
data () {
   return {
     //data list [array]
     someList:[
       {
         html: 'slider1',
         style: {
           'background': '#4abf8a'
         }
       }
     ],
     someList1:[
       {
         html: 'slider2-1',
         style: {
           'background': '#4abf8a'
         }
       },
       {
         html: 'slider2-2',
         style: {
           'background': '#4bbfc3'
         }
       },
       {
         html: 'slider3-3',
         style: {
           'background': '#7baabe'
         }
       }
     ],
     //Slider configuration [obj]
     options: {
       // direction: 'vertical',
       effect: 'nest',
       pagination: true,
       thresholdDistance: 100,
       thresholdTime: 300,
       grabCursor: true,
       speed: 300,
       loop: true
     },
     options1: {
       effect: 'nest',
       direction: 'vertical',
       pagination: true,
       thresholdDistance: 100,
       thresholdTime: 300,
       grabCursor: true,
       speed: 300,
       loop: true 
     }
   }
 },
 components: {
   slider,
   slideritem
 }
}
</script>
vue-concise-slider example
options: {
  renderPagination: (h, index) => {
    return h('div', {
      class: 'swiper-pagination-bullet'
    }, [index])
  }
}